Delayed post-gastrectomy hemorrhage.
D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000601:surgery; D005260:Female; D005743:Gastrectomy; D005763:Gastroenterostomy; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D011183:Postoperative Complications; D013997:Time Factors